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Engine emits blue smoke at first start

(2001 Toyota RAV4)
in Phoenix, AZ on October 13, 2009
Hi, my engine when cold emits blue smoke for 5 minutes every-time i start then it's gone and back to normal, please kindly help me how i can solve this problem.
Thank you so much.
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Popular Answer
on October 14, 2009
After Engine shuts down hot engine oil is introduced into combustion chamber either by weak or bad cylinder head valve seals or weak or bad engine piston rings. As vehicle sits overnight and vehicle is started excess engine oil in combustion chamber is burned causing blue smoke. Your local repair shop or dealer should perform a diagnostic of your engine to determine overall condition.
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